Iam giving a brainliest to the best answer

A

Step-by-step explanation:

Given

f(x) =

let f(x) = y and rearrange making x the subject

y = ( multiply both sides by 4 )

4y = x + 3 ( subtract 3 from both sides )

4y - 3 = x

Change y back into terms of x

(x) = 4x - 3 → A

step-by-step explanation:

well what you have to do is divide 84 by 6 so theanswer

step-by-step explanation:

84 divided by 6 = 14

and that lightbulb changing party must be freaking lit!